There is no information about the 1.1 version you have mentioned above. As I can see on the official website, Type To Learn Jr. is compatible only with Mac OS X, Windows 2000, Windows XP. The latest version is Type To Learn 4 is said to be compatible with Mac and Windows, but it doesn't specify for which version exactly.
Will this work on Windows 7?
There is no information about the 1.1 version you have mentioned above. As I can see on the official website, Type To Learn Jr. is compatible only with Mac OS X, Windows 2000, Windows XP. The latest version is Type To Learn 4 is said to be compatible with Mac and Windows, but it doesn't specify for which version exactly.
You contact the developers to obtain additional info: http://ttl4.sunburst.com/support.php